#etl Development Tutorials & Tips | Roast Dev

Replacing Lambda Triggers with EventBridge in S3-to-Glue Workflows

In one of our production data platforms, we used Lambda functions to trigger AWS Glue jobs every time a file landed in an S3 folder. That setup worked fine when there were only two or three data sourc...

06.05.2025 0 Read More

Why CRUD Doesn’t Work for ETL (And What to Do Instead)

Traditional CRUD operations don’t scale well in ETL workflows. Handling data row by row creates unnecessary overhead, slowing down performance. This article explores how to transition from CRUD-base...

14.03.2025 0 Read More

ETL e ELT

ETL Extração, transformação e carregamento (ETL) correspondem ao processo de combinação de dados de várias fontes em um grande repositório central, chamado de data warehouse. O proce...

15.03.2025 0 Read More

5 Best Fivetran Alternatives for Streamlined Data Integration

In the era of data-driven business, seamless data integration is no longer a luxury—it's a necessity. While Fivetran has long been a popular choice, its limitations in latency, cost predictability, ...

31.03.2025 0 Read More

Building a Self-Optimizing Data Pipeline

As a data engineer, have you ever dreamed of building a data pipeline that autonomously adjusts its performance and reliability in real-time? Sounds like science fiction, right? Well, it's not! In thi...

01.04.2025 0 Read More

Understanding Data Pipelines: The Backbone of Modern Data Systems

In today’s data-driven world, organizations are collecting vast amounts of data from various sources — websites, applications, sensors, APIs, and more. But raw data is rarely useful on its own. It...

06.04.2025 0 Read More

🌿 Building a Resilient NDVI Data Pipeline: From Google Earth Engine to NetCDF with Airflow on WSL

An in-depth technical dive into automating satellite data workflows, tackling real-world issues, and making your pipeline production-ready. Introduction: Automating Satellite Data for Vegetati...

13.04.2025 0 Read More

Building a Scalable Data Architecture with Apache Tools: A Free and Open-Source Solution

In today's data-driven world, organizations need a robust and scalable data architecture to handle large volumes of data. Apache offers a suite of free and open-source tools that can help build a comp...

13.04.2025 0 Read More

Are LLMs Just ETL Pipelines on Steroids? Rethinking AI Training

We talk a lot about Large Language Models (LLMs) like GPT, Claude, and Llama – their incredible generative capabilities, their potential, and their complexities. But have you ever stopped to think a...

15.04.2025 0 Read More

Mastering SQL for Data Engineering: Advanced Queries, Optimization, and Data Modeling Best Practices

Advanced SQL for Data Engineering Querying a database should be at your fingertips. This helps you perform ETL and EDA processes as a data engineer, analyst, or scientist. Data comes in vario...

16.04.2025 0 Read More